Finding the Fourth Proportional to 5,259.78, 7,258.83 and 2,901.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,259.78 : 7,258.83 = 2,901.93 : x
2. Step 2: Convert to fraction form
   5,259.78/7,258.83 = 2,901.93/x
3. Step 3: Cross multiply
   5,259.78x = 7,258.83 × 2,901.93
4. Step 4: Simplify right side
   5,259.78x = 21,064,616.54
5. Step 5: Solve for x
   x = 21,064,616.54/5,259.78
6. Step 6: Final answer
   x = 4,004.85